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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.






2. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.






3. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






4. 16-20 hours






5. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






6. 1. brain function - 2. blood flow - 3. willing female






7. Way to know everything is alright with the breeding male






8. What makes the milk flow through the mammary glands?






9. Why does estrus happen before ovulation?






10. (male) pushes the testes upward toward the body for warmth or protection






11. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).






12. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






13. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






14. (switzerland) 2nd in size and milk production - most muscle -






15. Male on one pin and female on other side






16. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






17. Actual heat cycle (period)






18. When are dairy cattle dehorned?






19. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






20. 24 hours before end of estrus cycle






21. 10-37 (21) days






22. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






23. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






24. Animals which have many estrous periods per year (ex: cow - sow)






25. Important 'landmark' during palpation






26. 14-19 (17) days






27. What about the sperm for a bull which has been castrated but still has testicles?






28. Not under a timeline - cow can not be sold as steak






29. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






30. What makes the milk flow through the mammary glands?






31. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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32. (LH) causes female's egg to break (her period)






33. The more stressed out the male is - the less sperm he is going to produce






34. 336 days






35. Help to signal hormone levels which we need both in the brain right next to each other.






36. 19-23 (21) days






37. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






38. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






39. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






40. Look for infection - split - and rupture of the penis






41. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells






42. The more stressed out the male is - the less sperm he is going to produce






43. 1-3 days






44. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






45. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






46. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).






47. FEED






48. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






49. Sperm is produced here






50. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge